[billmalarky]

But none of that matters because Magento 2 still can't serve a dynamic request in less than a second in even the most optimal conditions.

https://blog.amasty.com/magento-1-vs-magento-2-performance-c...

The Magento framework builds static sites with a (slow) dynamic CMS system. It's garbage.

[DelaneyM]

We got it down to an average ~400ms under load with aggressive full page caching (including our own hand-rolled component caching) and edge caching of all static assets (freeing up the servers to be optimized for dynamic content).

This should not be considered an endorsement; getting sub-second pages was a downright herculean engineering effort requiring system-level optimizations beyond what should ever be required of a pre-packaged system.

[billmalarky]

I've spent enough time in highly customized Magento in my day to both be impressed, and deeply concerned for your well-being after such a task.